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    • 3. 发明申请
    • ARRANGEMENT FOR AND METHOD OF CHARACTERISING THE POLARISATION PROPERTIES OF AN OPTICAL SYSTEM
    • 表征光学系统偏振特性的方法和方法
    • WO2011091891A2
    • 2011-08-04
    • PCT/EP2010/068713
    • 2010-12-02
    • CARL ZEISS SMT GMBHHEMPELMANN, UweMENGEL, MarkusHUBER, Peter
    • HEMPELMANN, UweMENGEL, MarkusHUBER, Peter
    • G03F7/20
    • G03F7/7085G03F7/70566
    • The invention concerns an arrangement for and a method of characterising the polarisation properties of an optical system, in particular an optical system of a microlithographic projection exposure apparatus, comprising at least one polarisation state generator (130, 230, 330) which sets a defined polarisation state of radiation incident on the optical system, and a polarisation state detector (140, 240, 340) adapted to measure the exit polarisation state of radiation issuing from the optical system, wherein the optical system is designed for a working wavelength of less than 15 nm, and wherein the polarisation state generator and/or the polarisation state detector are so designed that their polarisation-optical action on an incident light beam is substantially constant over an angle spectrum of said light beam of at least 10°.
    • 本发明涉及一种用于表征光学系统的偏振特性的装置和方法,特别是微光刻投影曝光装置的光学系统,其包括至少一个偏振状态发生器(130,230,330),其设定限定的偏振 入射在光学系统上的辐射状态和适于测量从光学系统发出的辐射的出射极化状态的偏振状态检测器(140,240,340),其中该光学系统被设计用于小于15的工作波长 nm,并且其中所述偏振状态发生器和/或所述偏振状态检测器被设计成使得其对入射光束的偏振光学作用在至少10°的所述光束的角度光谱上基本上是恒定的。
    • 7. 发明申请
    • SYSTEM FOR MEASURING THE IMAGE QUALITY OF AN OPTICAL IMAGING SYSTEM
    • 用于测量光学成像系统的图像质量的系统
    • WO2005119368A2
    • 2005-12-15
    • PCT/EP2005/005918
    • 2005-06-02
    • CARL ZEISS SMT AGMENGEL, MarkusWEGMANN, UlrichEHRMANN, AlbrechtEMER, WolfgangCLEMENT, ReinerMATHIJSSEN, Ludo
    • MENGEL, MarkusWEGMANN, UlrichEHRMANN, AlbrechtEMER, WolfgangCLEMENT, ReinerMATHIJSSEN, Ludo
    • G03F7/20
    • G01M11/0257G01M11/0214G01M11/0271G03F7/70341G03F7/70591G03F7/70716G03F7/70958Y10T428/31
    • A measuring system for the optical measurement of an optical imaging system, which is provided to image a pattern arranged in an object surface of the imaging system in an image surface of the imaging system, comprises an object-side structure carrier having an object-side measuring structure, to be arranged on the object side of the imaging system; an image-side structure carrier having an image-side measuring structure, to be arranged on the image side of the imaging system; the object-side measuring structure and the image-side measuring structure being matched to each other in such a way that, when the object-side measuring structure is imaged onto the image-side measuring structure with the aid of the imaging system, a superposition pattern is produced; and a detector for the locally resolving acquisition of the superposition pattern. The imaging system is designed as an immersion system for imaging with the aid of an immersion liquid. A structure carrier to be arranged in the region of the immersion liquid is assigned a protective system in order to increase the resistance of the measuring structure to degradation caused by the immersion liquid. A measurement of immersion systems under immersion conditions is thereby possible without detrimental influence of the immersion liquid on the measuring accuracy.
    • 一种用于光学成像系统的光学测量的测量系统,其被设置为对成像系统的图像表面中布置在成像系统的物体表面中的图案进行成像,包括:物体侧结构载体,其具有物体侧 测量结构,被布置在成像系统的物体侧; 具有图像侧测量结构的图像侧结构载体,被布置在成像系统的图像侧; 物体侧测量结构和图像侧测量结构彼此匹配,使得当物体侧测量结构借助于成像系统成像到图像侧测量结构上时,叠加 图案生产; 以及用于局部求解叠加图案的检测器。 成像系统被设计为用于借助于浸没液体进行成像的浸没系统。 布置在浸没液体区域中的结构载体被分配保护系统,以便增加测量结构对浸入液体引起的降解的阻力。 因此,在浸没条件下的浸渍系统的测量可以在浸没液体对测量精度的不利影响的情况下进行。